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From: Eric Sandeen <sandeen@redhat.com>
To: "Darrick J. Wong" <darrick.wong@oracle.com>, tytso@mit.edu
Cc: linux-ext4@vger.kernel.org
Subject: Re: [PATCH 35/34] e2fsck: free bh when descriptor block checksum fails
Date: Sun, 14 Sep 2014 14:11:25 -0500	[thread overview]
Message-ID: <5415E85D.4070703@redhat.com> (raw)
In-Reply-To: <20140914171935.GE10150@birch.djwong.org>

On 9/14/14 12:19 PM, Darrick J. Wong wrote:
> Free the buffer head if the journal descriptor block fails checksum
> verification.  This has been patched before (see "e2fsck: free bh on
> csum verify error in do_one_pass") but apparently the patch was never
> committed to jbd2 in the kernel, so when we resync'd the recovery code
> with 3.16, the bug came back.  Sigh.

Cool. 

Reviewed-by: Eric Sandeen <sandeen@redhat.com>

thanks for fixing up the kernel side... I hadn't thought about that,
obviously.  :(

-Eric

> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> Cc: Eric Sandeen <sandeen@redhat.com>
> ---
>  e2fsck/recovery.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/e2fsck/recovery.c b/e2fsck/recovery.c
> index 3dc7c06..b5ce3b3 100644
> --- a/e2fsck/recovery.c
> +++ b/e2fsck/recovery.c
> @@ -525,6 +525,7 @@ static int do_one_pass(journal_t *journal,
>  			    !jbd2_descr_block_csum_verify(journal,
>  							  bh->b_data)) {
>  				err = -EIO;
> +				brelse(bh);
>  				goto failed;
>  			}
>  
> 


  reply	other threads:[~2014-09-14 19:11 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-13 22:11 [PATCH 00/34] e2fsprogs Summer 2014 patchbomb, part 6 Darrick J. Wong
2014-09-13 22:11 ` [PATCH 01/34] e2fsck: offer to clear overlapping extents Darrick J. Wong
2014-09-19  1:45   ` Theodore Ts'o
2014-09-13 22:11 ` [PATCH 02/34] e2fsck: fix sliding the directory block down on bigalloc Darrick J. Wong
2014-09-19  1:45   ` Theodore Ts'o
2014-09-13 22:11 ` [PATCH 03/34] misc: zero s_jnl_blocks when adding journal online or removing external journal Darrick J. Wong
2014-09-19  1:45   ` Theodore Ts'o
2014-09-13 22:11 ` [PATCH 04/34] libext2fs: ext2fs_new_block2() should call alloc_block hook Darrick J. Wong
2014-09-13 22:11 ` [PATCH 05/34] debugfs: manage needs_recover feature when messing with the journal Darrick J. Wong
2014-09-19  6:01   ` Theodore Ts'o
2014-09-13 22:11 ` [PATCH 06/34] debugfs: add LIBINTL to debugfs link command Darrick J. Wong
2014-09-19  4:46   ` Theodore Ts'o
2014-10-17 21:07     ` Darrick J. Wong
2014-10-18 16:10       ` Theodore Ts'o
2014-09-13 22:11 ` [PATCH 07/34] ext2fs: add readahead method to improve scanning Darrick J. Wong
2014-09-19 16:15   ` Theodore Ts'o
2014-09-13 22:12 ` [PATCH 08/34] libext2fs/e2fsck: provide routines to read-ahead metadata Darrick J. Wong
2014-09-13 22:12 ` [PATCH 09/34] e2fsck: read-ahead metadata during passes 1, 2, and 4 Darrick J. Wong
2014-09-13 22:12 ` [PATCH 10/34] dumpe2fs: provide a machine-readable group-only mode Darrick J. Wong
2014-09-19 16:17   ` Theodore Ts'o
2014-09-13 22:12 ` [PATCH 11/34] dumpe2fs: output cleanup Darrick J. Wong
2014-09-19 16:22   ` Theodore Ts'o
2014-09-19 20:00     ` Darrick J. Wong
2014-10-13 18:04       ` Darrick J. Wong
2014-09-13 22:12 ` [PATCH 12/34] misc: move check_plausibility into a separate file Darrick J. Wong
2014-09-19 22:16   ` Theodore Ts'o
2014-09-13 22:12 ` [PATCH 13/34] misc: add plausibility checks to debugfs/tune2fs/dumpe2fs/e2fsck Darrick J. Wong
2014-09-19 23:00   ` Theodore Ts'o
2014-09-13 22:12 ` [PATCH 14/34] misc: use libmagic when libblkid can't identify something Darrick J. Wong
2014-09-21  5:29   ` Theodore Ts'o
2014-09-13 22:12 ` [PATCH 15/34] libext2fs: support BLKZEROOUT/FALLOC_FL_ZERO_RANGE in ext2fs_zero_blocks Darrick J. Wong
2014-09-22  2:51   ` Theodore Ts'o
2014-09-29 18:58     ` Darrick J. Wong
2014-10-14  2:58   ` Darrick J. Wong
2014-10-18 16:32   ` Theodore Ts'o
2014-10-20 23:37     ` Darrick J. Wong
2014-09-13 22:12 ` [PATCH 16/34] libext2fs/e2fsck: refactor everyone who writes zero blocks to disk Darrick J. Wong
2014-10-13 10:09   ` Theodore Ts'o
2014-10-13 17:09     ` Darrick J. Wong
2014-09-13 22:13 ` [PATCH 17/34] libext2fs: support allocating uninit blocks in bmap2() Darrick J. Wong
2014-10-13 14:35   ` Theodore Ts'o
2014-10-13 16:56     ` Darrick J. Wong
2014-10-13 18:34       ` Darrick J. Wong
2014-09-13 22:13 ` [PATCH 18/34] libext2fs: file IO routines should handle uninit blocks Darrick J. Wong
2014-09-13 22:13 ` [PATCH 19/34] resize2fs: convert fs to and from 64bit mode Darrick J. Wong
2014-09-14 17:34   ` TR Reardon
2014-09-14 17:50     ` Darrick J. Wong
2014-09-13 22:13 ` [PATCH 20/34] resize2fs: adjust reserved_gdt_blocks when changing group descriptor size Darrick J. Wong
2014-09-13 22:13 ` [PATCH 21/34] tests: test resize2fs 32->64 and 64->32bit conversion code Darrick J. Wong
2014-09-13 22:13 ` [PATCH 22/34] libext2fs: find inode goal when allocating blocks Darrick J. Wong
2014-09-13 22:13 ` [PATCH 23/34] libext2fs: find/alloc a range of empty blocks Darrick J. Wong
2014-09-13 22:13 ` [PATCH 24/34] libext2fs: add new hooks to support large allocations Darrick J. Wong
2014-09-13 22:14 ` [PATCH 25/34] libext2fs: implement fallocate Darrick J. Wong
2014-09-13 22:14 ` [PATCH 26/34] libext2fs: use fallocate for creating journals and hugefiles Darrick J. Wong
2014-09-13 22:14 ` [PATCH 27/34] debugfs: implement fallocate Darrick J. Wong
2014-09-13 22:14 ` [PATCH 28/34] tests: test debugfs punch command Darrick J. Wong
2014-09-19 16:26   ` Theodore Ts'o
2014-09-19 20:01     ` Darrick J. Wong
2014-09-13 22:14 ` [PATCH 30/34] fuse2fs: translate ACL structures Darrick J. Wong
2014-09-13 22:14 ` [PATCH 31/34] fuse2fs: handle 64-bit dates correctly Darrick J. Wong
2014-09-13 22:14 ` [PATCH 32/34] fuse2fs: implement fallocate Darrick J. Wong
2014-09-13 22:15 ` [PATCH 34/34] tests: enable using fuse2fs with metadata checksum test Darrick J. Wong
2014-09-14 17:19 ` [PATCH 35/34] e2fsck: free bh when descriptor block checksum fails Darrick J. Wong
2014-09-14 19:11   ` Eric Sandeen [this message]
2014-09-19  1:46     ` Theodore Ts'o
2014-09-18 19:09 ` [PATCH 36/34] misc: fix Coverity complaints Darrick J. Wong
2014-09-19  1:47   ` Theodore Ts'o

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